Finding the Fourth Proportional to 128,061,155.52, 192,091,995.72 and 59,951,676.96

Step by Step Solution

1. Step 1: Write the proportion equation
   128,061,155.52 : 192,091,995.72 = 59,951,676.96 : x
2. Step 2: Convert to fraction form
   128,061,155.52/192,091,995.72 = 59,951,676.96/x
3. Step 3: Cross multiply
   128,061,155.52x = 192,091,995.72 × 59,951,676.96
4. Step 4: Simplify right side
   128,061,155.52x = 11,516,237,274,007,142
5. Step 5: Solve for x
   x = 11,516,237,274,007,142/128,061,155.52
6. Step 6: Final answer
   x = 89,927,638.30